bk commit into 5.1 tree (tomas:1.2497) BUG#29229

[tomas]

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5.1 repository of tomas. When tomas does a push these changes will
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ChangeSet@stripped, 2007-06-20 05:41:54+02:00, tomas@stripped +1 -0
  Bug #29229 memory corruption in dbtup

  storage/ndb/src/kernel/vm/RWPool.cpp@stripped, 2007-06-20 05:41:52+02:00,
tomas@stripped +1 -1
    Bug #29229 memory corruption in dbtup

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	tomas
# Host:	whalegate.ndb.mysql.com
# Root:	/home/tomas/mysql-5.1-telco-gca

--- 1.4/storage/ndb/src/kernel/vm/RWPool.cpp	2007-02-21 16:33:12 +01:00
+++ 1.5/storage/ndb/src/kernel/vm/RWPool.cpp	2007-06-20 05:41:52 +02:00
@@ -140,7 +140,7 @@
     Uint32 ff = page->m_first_free;
 
     * (record_ptr + m_record_info.m_offset_next_pool) = ff;
-    page->m_first_free = ptr.i;
+    page->m_first_free = ptr.i & POOL_RECORD_MASK;
     page->m_ref_count = ref_cnt - 1;
     
     if (ff == REC_NIL)